/* Copyright 2008-2011 David Robillard Copyright 1999-2000 Paul Kellett (Maxim Digital Audio) This is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this software. If not, see . */ #ifndef __mdaEPiano__ #define __mdaEPiano__ #include #include "audioeffectx.h" #define NPARAMS 12 //number of parameters #define NPROGS 5 //number of programs #define NOUTS 2 //number of outputs #define NVOICES 32 //max polyphony #define SUSTAIN 128 #define SILENCE 0.0001f //voice choking #define WAVELEN 422414 //wave data bytes class mdaEPianoProgram { friend class mdaEPiano; private: float param[NPARAMS]; char name[24]; }; struct VOICE //voice state { int32_t delta; //sample playback int32_t frac; int32_t pos; int32_t end; int32_t loop; float env; //envelope float dec; float f0; //first-order LPF float f1; float ff; float outl; float outr; int32_t note; //remember what note triggered this }; struct KGRP //keygroup { int32_t root; //MIDI root note int32_t high; //highest note int32_t pos; int32_t end; int32_t loop; }; class mdaEPiano : public AudioEffectX { public: mdaEPiano(audioMasterCallback audioMaster); ~mdaEPiano(); virtual void processReplacing(float **inputs, float **outputs, int32_t sampleframes); virtual void setProgram(int32_t program); virtual void setProgramName(char *name); virtual void getProgramName(char *name); virtual void setParameter(int32_t index, float value); virtual float getParameter(int32_t index); virtual void getParameterLabel(int32_t index, char *label); virtual void getParameterDisplay(int32_t index, char *text); virtual void getParameterName(int32_t index, char *text); virtual void setSampleRate(float sampleRate); virtual void setBlockSize(int32_t blockSize); virtual void resume(); virtual bool getOutputProperties (int32_t index, LvzPinProperties* properties); virtual bool getProgramNameIndexed (int32_t category, int32_t index, char* text); virtual bool copyProgram (int32_t destination); virtual bool getEffectName (char* name); virtual bool getVendorString (char* text); virtual bool getProductString (char* text); virtual int32_t getVendorVersion () {return 1;} virtual int32_t canDo (const char* text); virtual int32_t getNumMidiInputChannels () { return 1; } int32_t guiUpdate; void guiGetDisplay(int32_t index, char *label); private: int32_t processEvent(const LV2_Atom_Event* ev); void update(); //my parameter update void noteOn(int32_t note, int32_t velocity); void fillpatch(int32_t p, const char *name, float p0, float p1, float p2, float p3, float p4, float p5, float p6, float p7, float p8, float p9, float p10,float p11); mdaEPianoProgram* programs; float Fs, iFs; ///global internal variables KGRP kgrp[34]; VOICE voice[NVOICES]; int32_t activevoices, poly; short *waves; float width; int32_t size, sustain; float lfo0, lfo1, dlfo, lmod, rmod; float treb, tfrq, tl, tr; float fine, random, stretch, overdrive; float muff, muffvel, velsens, volume, modwhl; }; #endif